Hardware Spec Index

Caldera FN-3640 Pro 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3640-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index977 (Case Fans scale)
Category rank#25,291
Street price$29
Power3 W
Performance per dollar33.69
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3640 Pro
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3640 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/21491166 (accessed 2026-10-22).